Name the appropriate method to separate a mixture of calcium sulfate and camphor.

How is the pure liquid separated from a mixture obtained by vapour distillation?

The separation of two coloured substances was done by paper chromatography. The distances travelled by solvent front,substance $A$ and substance $B$ from the base line are $3.25 \ cm$,$2.08 \ cm$ and $1.05 \ cm$ respectively. The ratio of $R_{f}$ values of $A$ to $B$ is $.........$

Which of the following compounds shows sublimation?

$A$ mixture of $ZnCl_2$ and $PbCl_2$ can be separated by

Name a suitable technique of separation of the components from a mixture of calcium sulphate and camphor.